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エナメル線の被覆用絶縁材料中に蓄積する空間電荷の分布測定

エナメル線の被覆用絶縁材料中に蓄積する空間電荷の分布測定

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カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2015/02/01

タイトル(英語): Measurement of Space Charge Distribution Accumulated in Insulating Material of Enameled Wire

著者名: 阿部 一貴(東京都市大学),直海 新(東京都市大学),三宅 弘晃(東京都市大学),田中 康寛(東京都市大学),前野 恭((独)情報通信研究機構)

著者名(英語): Kazuki Abe (Tokyo City University), Arata Naoumi (Tokyo City University), Hiroaki Miyake (Tokyo City University), Yasuhiro Tanaka (Tokyo City University), Takashi Maeno (National Institute of Information and Communications Technology)

キーワード: 空間電荷,エナメル線,PEA法,絶縁材料  space charge,enamel wire,PEA method,insulating material

要約(英語): Space charge distribution in a thin insulating layer of an enameled wire for motor windings was carried out using an improved PEA (pulsed electro-acoustic) measurement system under a dc and a square shape voltage. When a high voltage is applied to the windings of motor, a PD (partial discharge) sometimes occurs. Since the PD gives a physical damage to the insulating layer, many researchers have investigated the mechanism of PD generation. From their results, some researchers have pointed out the effect of space charge accumulation. Therefore, measurements of the space charge distribution in the insulating layer of the winding are required. The space charge accumulation in the insulating material is usually carried out using the PEA method. In this method, we observed the space charge distribution in film shape samples. However, the properties of specially-made film samples are different from those of the insulating layer with the actual configuration of the winding wire, and it is difficult to evaluate the actual influence of the space charge to the motor windings. In this research, we have improved the PEA system which is enable to measure the space charge distribution in the actual insulating layer of the winding wire.

本誌: 電気学会論文誌A(基礎・材料・共通部門誌) Vol.135 No.2 (2015) 特集:電気電子絶縁材料システムシンポジウム

本誌掲載ページ: 94-99 p

原稿種別: 論文/日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/135/2/135_94/_article/-char/ja/

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